[feature]Support DLQ, TTL,Delay message #929
Open
Add this suggestion to a batch that can be applied as a single commit.
This suggestion is invalid because no changes were made to the code.
Suggestions cannot be applied while the pull request is closed.
Suggestions cannot be applied while viewing a subset of changes.
Only one suggestion per line can be applied in a batch.
Add this suggestion to a batch that can be applied as a single commit.
Applying suggestions on deleted lines is not supported.
You must change the existing code in this line in order to create a valid suggestion.
Outdated suggestions cannot be applied.
This suggestion has been applied or marked resolved.
Suggestions cannot be applied from pending reviews.
Suggestions cannot be applied on multi-line comments.
Suggestions cannot be applied while the pull request is queued to merge.
Suggestion cannot be applied right now. Please check back later.
Master Issue: #832,#861,#862,#863
Motivation
The current version does not support dead letter queues and message ttl, as well as delayed messages, which are often used in rabbitmq and we need to implement.
Modifications
1.For dead letter queue.
The queue binding parameter determines whether it is DLQ and uses the queue's own cursor to check for active consumers.
When there is an active consumer, it means that we do not need to control, when the active consumer is closed we need to start a task to detect, when there is no message to register to the listening queue, when awakened, first check whether there is an active consumer, if not, we need to route the message to the DLQ.
2.For TTL.
For DLQ, messages are routed to DLQ only after they expire. If they are not expired, a task countdown is registered and the time is up for detection
Verifying this change
(Please pick either of the following options)
This change is a trivial rework / code cleanup without any test coverage.
(or)
This change is already covered by existing tests, such as (please describe tests).
(or)
This change added tests and can be verified as follows:
(example:)
Does this pull request potentially affect one of the following parts:
If
yes
was chosen, please highlight the changesDocumentation
Check the box below.
Need to update docs?
doc-required
(If you need help on updating docs, create a doc issue)
no-need-doc
(Please explain why)
doc
(If this PR contains doc changes)